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20210729 - Filament data for 12 UTC
Available data for 20210729: »05 UTC   »06 UTC   »07 UTC   »08 UTC   »09 UTC   »10 UTC   »11 UTC   »12 UTC   »13 UTC   »14 UTC   »15 UTC   »16 UTC   »17 UTC  
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  Color  xc   yc  (LatLon LCarr)  Area Length Branches (  x0/y0     x1/y1  )  Tilt Location
      1 1377  768 (S14W20 L= 54)   401    121        0 (1319/ 726-1427/ 801) -40.6 W16-W23 S17-S11
      2 1556  769 (S16W33 L= 67)   327     62        1 (1528/ 745-1586/ 798) -45.0 W30-W35 S18-S14
      3 1026  515 (S27E05 L= 29)   699    165        1 ( 981/ 447-1060/ 596)  55.0 E09-E02 S31-S21
Download Binary data for this image

» All Filament Data of 20210729 ... 		IDL code for reading binary data: 
    OPENR, u, binfile, /COMP, /GET_LUN
    head = FLTARR(6) ;[xsize,ysize,radius,hh,mm,ss]
    READU, u, head
    data = INTARR(FIX(head[0]),FIX(head[1]))
    READU, u, data
    FREE_LUN, u
  • each filament has the value of Fil_ID
  • all values are in pixel
to get the area of a filament: 
  c = WHERE(data EQ Fil_ID, area)
  f = '(2(A,I6))'
  PRINT, FORM=f, "Area of Fil_ID", Fil_ID," =", area
be careful: y-origin is upper left! you can transpose the data: 
  data = ROTATE(data,7)
  Solar_y = 2048-Solar_y

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